Americas Gold and Silver Company (TSX: USA; New York Stock Exchange: USA) has released additional exploration drilling results at the Galena, Idaho complex, marking its fourth major new discovery driving significant growth in the vicinity of the recently discovered 149 Vein complex.
Level 4300 diamond drilling at the Galena Mine, which was completed in the first quarter of 2026, identified up to six new high-grade silver, copper and antimony zones located approximately 150 meters southwest of the high-grade 149 vein. This area, known as the 43L-TJ vein complex, consists of a series of plus or minus lead, copper and antimony veins, which were discovered within 25 meters of the existing mine infrastructure. As a result, the Galena team is currently planning follow-on drilling as well as exploratory drift into the 43L-TJ vein zone to better understand the structural controls on the mineralization and fast-track future production from the 4300 level.
Paul-André Huet, Chairman and CEO, commented: “Our team in Galena continues to make impressive new discoveries at our flagship operation. The discovery of six new high-grade silver, copper and antimony veins in the 43L-TJ vein complex progresses on a similar trajectory to the discovery of vein 034 mid-last year, which has already added material ounces to our 2025 resource update and is now under development to prepare for future production. These are the strengths of the combination of a strong drilling campaign, a strong team and an exploration budget With the vast amount of infrastructure already in place in Galena, this is a world-class operation.
“This represents our fourth major new discovery and highlights four high-quality discoveries in just one year of drilling, underscoring the significant untapped potential across the Galena complex. Located just 25 meters from existing infrastructure, the 43L-TJ vein is wide open for expansion and will remain the focus of our team to aggressively advance this high-quality opportunity in 2026.”
“Galena has a long and storied history of producing silver, copper, lead and antimony, and this new discovery is a true testament to the outstanding growth potential of our Idaho assets, with grades highlighting the Galena complex as one of the highest quality silver operations in the world.”
The 43L-TJ vein complex was discovered while completing drilling and step drilling operations targeting the 149 vein complex. The company has intersected significant grades in six core holes to date. Key intercepts from the campaign, reported in true width, included 1.9m at 1,392g/t silver, 1.9% lead, 1.5% copper and 1.5% antimony, 1.0m at 1,313g/t silver, 2.6% lead, 1.4% copper and 1.1% silver, 0.7m at 2,563g/t silver. Silver, 0.3% lead. 1.8% copper and 1.4% silver, 1.7 meters at 832 g/t silver, 3.8% lead, 1.4% copper and 1.6% silver, 0.9 meters at 470 g/t silver, 5.8% lead, 1.22% copper and 1.5% silver, 0.5 meters at 3714 g/t silver, 0.1% lead and 3.9% copper.
Americas Gold and Silver is a rapidly growing North American mining company that produces silver, copper, lead and antimony from high-grade operations in the United States and Mexico. In December 2024, Americas acquired 100% ownership of the Galena (Idaho) complex in a deal with Eric Sprott, Galena’s previous 40% owner, becoming Americas’ largest shareholder.
This deal cemented Galena as a premier U.S. silver asset and the nation’s largest antimony miner. In December 2025, Americas acquired the previously fully-permitted producing Crescent silver mine (nine miles from Galena), creating potentially significant future synergies through shared infrastructure and processing. In February 2026, Americas formed a 51/49 joint venture with US Antimony Corporation to build a new antimony processing center in Galena, creating a mine-to-final product antimony solution in the United States.
Americas also owns and operates Cosala’s operations in Sinaloa, Mexico. Americas is fully funded to aggressively grow production at the Galena, Crescent and Mexico complex with the goal of becoming a leading producer of silver in North America and a major exporter of antimony produced in the United States.
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